[METAL UP YOUR WEEKEND] This is the sixth installment of booker-musician-WW contributor Nathan Carson's Fall Into Darkness festival, and as with previous years, Carson has put together a lovingly curated event, pulling from the various strains of metal and hard rock infecting the world with volume and power. The headliners of this weekend's throwdown are enough to howl about: long-running doom metal icon Saint Vitus (see listing for Branx on Saturday, Oct. 6); the dark drones of Wolvserpent (see listing for Mississippi Studios on Sunday, Oct. 7); and the folk-tinged trudging of Worm Ouroboros. But pay close attention to the undercard bands like VHÖL, a new project featuring YOB leader Mike Scheidt and members of Hammers of Misfortune, and the deadly sludge of North Carolina's finest metal band, Sourvein.